Finding the Fourth Proportional to 87,802.97, 121,168.86 and 51,526.13
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Solution
The fourth proportional to 87,802.97, 121,168.86 and 51,526.13 is: 71,106.51
Step by Step Solution
- Step 1: Write the proportion equation
87,802.97 : 121,168.86 = 51,526.13 : x - Step 2: Convert to fraction form
87,802.97/121,168.86 = 51,526.13/x - Step 3: Cross multiply
87,802.97x = 121,168.86 × 51,526.13 - Step 4: Simplify right side
87,802.97x = 6,243,362,432.31 - Step 5: Solve for x
x = 6,243,362,432.31/87,802.97 - Step 6: Final answer
x = 71,106.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.